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CX2SA > SATDIG 14.01.11 18:32l 809 Lines 24461 Bytes #999 (0) @ WW
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From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. AO-7 Mode change (Scott Armstrong)
2. Satpc32 one pass short (Rodney Waln)
3. Re: Satpc32 one pass short (Mark L. Hammond)
4. VUCC & LoTW (Ted)
5. Re: VUCC & LoTW (Ted)
6. Re: VUCC & LoTW (k6yk)
7. Re: Zack's Setup (John Neeley)
8. Re: VUCC & LoTW (Gary "Joe" Mayfield)
9. Re: VUCC & LoTW (Joe)
10. Desensitized Receiver Issues (Zachary Beougher)
11. Re: Zack's Setup (Zachary Beougher)
12. Re: Desensitized Receiver Issues (Dave Webb KB1PVH)
13. Re: Shack Changes - FS IC-910H plus Accessories
(David A. B. Johnson)
14. VUCC Satellite now supported on LOTW (Bill Dzurilla)
15. HO-68 Status (Alan Kung)
16. so-50 and ao-51 power management (normn3ykf@xxxx.xx.xxxx
17. Re: HO-68 Status (Ng, Peter)
18. Re: so-50 and ao-51 power management (Andrew Glasbrenner)
----------------------------------------------------------------------
Message: 1
Date: Thu, 13 Jan 2011 17:44:16 -0600
From: Scott Armstrong <aa5am@xxxx.xxx>
Subject: [amsat-bb] AO-7 Mode change
To: <amsat-bb@xxxxx.xxx>
Message-ID: <COL116-W34D9B0FA6E18655572A34BC0F00@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
Saw a post a few days ago regarding AO-7 Mode change.
Today 13 Jan, 2011 the mode changed from A to B at 23:28z.
Seems like it is getting later as time progresses. Last time I noted a
changes was back in late Novenber at about 23:23z and in mid December at
23:25z.
Scott AA5AM
------------------------------
Message: 2
Date: Thu, 13 Jan 2011 16:15:52 -0800 (PST)
From: Rodney Waln <kc0zhf@xxxxx.xxx>
Subject: [amsat-bb] Satpc32 one pass short
To: amsat-bb@xxxxx.xxx
Message-ID: <295945.58035.qm@xxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
hi all, i have had to reload my computer do to an HD failure :-(
after everything was reloaded i got to Satpc32,
i have the most recent keps jan 06 2011 loaded but one of my computers that
i was running as a backup has some satellites orbits different,
times are also the same just the pass numbers are different,
example AO-51 pass 35385 on one and pass 34386 on the other,
i would be great full for any help
kc0zhf
------------------------------
Message: 3
Date: Thu, 13 Jan 2011 19:35:28 -0500
From: "Mark L. Hammond" <marklhammond@xxxxx.xxx>
Subject: [amsat-bb] Re: Satpc32 one pass short
To: Rodney Waln <kc0zhf@xxxxx.xxx>, amsat-bb@xxxxx.xxx
Message-ID: <vCbX1f00a56cfur05Cbbd8@xxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
I would check TIME ZONES in Windows and then time zones in the program
itself (UTC vs. local). Might be there are differences...
73!
Mark N8MH
At 04:15 PM 1/13/2011 -0800, Rodney Waln wrote:
>hi all, i have had to reload my computer do to an HD failure :-(
>after everything was reloaded i got to Satpc32,
>i have the most recent keps jan 06 2011 loaded but one of my computers that
i was running as a backup has some satellites orbits different,
>times are also the same just the pass numbers are different,
>example AO-51 pass 35385 on one and pass 34386 on the other,
>i would be great full for any help
>kc0zhf
------------------------------
Message: 4
Date: Thu, 13 Jan 2011 17:18:36 -0800
From: "Ted" <k7trkradio@xxxxxxx.xxx>
Subject: [amsat-bb] VUCC & LoTW
To: <amsat-bb@xxxxx.xxx>
Message-ID: <D38B2D57B5C74D2F9D9874CD99A0A52D@xxxxxxxxxxx>
Content-Type: text/plain; charset="us-ascii"
FYI.from LoTW site:
"Jan 13, 2011: VUCC award support is now live -- Under the Awards tab you
will find a VUCC button. The VUCC <http://www.arrl.org/vucc> is ARRL's
award recognizing VHF, UHF, and SHF work and counts Maidenhead grid
squares."
Is this a good thing or ??? do we need to set up anything different in an
HRD Logbook to make this work ?? questions, questions..
73, Ted K7TRK
------------------------------
Message: 5
Date: Thu, 13 Jan 2011 18:02:10 -0800
From: "Ted" <k7trkradio@xxxxxxx.xxx>
Subject: [amsat-bb] Re: VUCC & LoTW
To: "'Ted'" <k7trkradio@xxxxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Message-ID: <8E8C1BD66E324F22A60D2FDC57AB4DFF@xxxxxxxxxxx>
Content-Type: text/plain; charset="us-ascii"
Boy, after playing with this on LOTW, we may need an 'owners manual'. I
created a 'VUCC Satellite' account and uploaded my entire HRD Logbook:
Prior to the upload, I added a 'propagation' field to the log and did a bulk
edit to add 'sat' to each FM contact in my log (you can choose another field
to search, but since I don't log anything on FM other than the sats that
works for me).
Uploaded the log to LOTW. Nothing shows under the 'VUCC Satellite' account.
(note: when I created just a pure VUCC account, several contacts showed up
as FM contacts)
So, Im guessing we need to find out which ADIF fields are necessary in a log
upload to make the LOTW happy...
THAT is above my pay grade, so I hope to see some good answers from the
group when I wake up tomorrow..
73, Ted, K7TRK
FYI.from LoTW site:
"Jan 13, 2011: VUCC award support is now live -- Under the Awards tab you
will find a VUCC button. The VUCC <http://www.arrl.org/vucc> is ARRL's
award recognizing VHF, UHF, and SHF work and counts Maidenhead grid
squares."
Is this a good thing or ??? do we need to set up anything different in an
HRD Logbook to make this work ?? questions, questions..
73, Ted K7TRK
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 6
Date: Thu, 13 Jan 2011 18:30:00 -0800
From: k6yk <k6yk@xxxx.xxx>
Subject: [amsat-bb] Re: VUCC & LoTW
To: k7trkradio@xxxxxxx.xxx
Cc: amsat-bb@xxxxx.xxx
Message-ID: <20110113.183029.956.568575@xxxxxxxxx.xxx.xxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Well, it's not that easy...
You need to have (at least) all the "regular" QSO info.
Then you need to have the following in your ADIF:
Examples:
<sat_name:5>AO-27
<prop_mode:3>SAT
<band_rx:4>70CM
I have some (not all that many!) satellite QSO's confirmed on LOTW
for the DXCC countries. I've been sending in my logs for about 5 years.
73,
John, K6YK
On Thu, 13 Jan 2011 18:02:10 -0800 "Ted" <k7trkradio@xxxxxxx.xxx> writes:
>
>
> Boy, after playing with this on LOTW, we may need an 'owners
> manual'. I
> created a 'VUCC Satellite' account and uploaded my entire HRD
> Logbook:
>
> Prior to the upload, I added a 'propagation' field to the log and
> did a bulk
> edit to add 'sat' to each FM contact in my log (you can choose
> another field
> to search, but since I don't log anything on FM other than the sats
> that
> works for me).
>
> Uploaded the log to LOTW. Nothing shows under the 'VUCC Satellite'
> account.
> (note: when I created just a pure VUCC account, several contacts
> showed up
> as FM contacts)
>
> So, Im guessing we need to find out which ADIF fields are necessary
> in a log
> upload to make the LOTW happy...
>
> THAT is above my pay grade, so I hope to see some good answers from
> the
> group when I wake up tomorrow..
>
> 73, Ted, K7TRK
>
> FYI.from LoTW site:
>
> "Jan 13, 2011: VUCC award support is now live -- Under the Awards
> tab you
> will find a VUCC button. The VUCC <http://www.arrl.org/vucc> is
> ARRL's
> award recognizing VHF, UHF, and SHF work and counts Maidenhead grid
> squares."
>
>
> Is this a good thing or ??? do we need to set up anything different
> in an
> HRD Logbook to make this work ?? questions, questions..
>
> 73, Ted K7TRK
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the
> author.
> Not an AMSAT-NA member? Join now to support the amateur satellite
> program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the
> author.
> Not an AMSAT-NA member? Join now to support the amateur satellite
> program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
____________________________________________________________
Refinance Rates at 2.8%
$160,000 Mortgage $434/mo. No Hidden Fees- 3.1% APR! Get a Free Quote
http://thirdpartyoffers.juno.com/TGL3141/4d2fb57be1d1cc2f81est02vuc
------------------------------
Message: 7
Date: Wed, 12 Jan 2011 15:44:28 -0800 (PST)
From: John Neeley <w6zkh@xxx.xxx>
Subject: [amsat-bb] Re: Zack's Setup
To: Clint Bradford <clintbradford@xxx.xxx>, AMSAT BB
<amsat-bb@xxxxx.xxx>
Message-ID: <596861.37572.qm@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Or could it be that overpriced Diplexer in the handle?? Can you seperate
the 2
bands and test without the Diplexer??
John W6ZKH
________________________________
From: Clint Bradford <clintbradford@xxx.xxx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Sent: Wed, January 12, 2011 2:44:17 PM
Subject: [amsat-bb] Re: Zack's Setup
>> ... having a hard time with the Arrow ... stuck the duck on, and I can
get into
>>all the repeaters fine ...
Check out Arrow ops on both 2M and 440 - and see if there might be a short or
problem with either of the gamma matching elements.
Are there any connectors or jumpers between the Arrow's leads and your
equipment? If so, check their integrity.
It just sounds like it's going to be a simple fix, Zack!
Clint, K6LCS
909-241-7666
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 8
Date: Thu, 13 Jan 2011 23:16:30 -0600
From: "Gary \"Joe\" Mayfield" <gary_mayfield@xxxxxxx.xxx>
Subject: [amsat-bb] Re: VUCC & LoTW
To: "'k6yk'" <k6yk@xxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <COL114-DS4B7868A4B71F8F758C1FB8AF30@xxx.xxx>
Content-Type: text/plain; charset="us-ascii"
I found it not to be too bad. Once configured the N3FJP software makes it
very easy (even if you operate from multiple grid squares). Getting started
right is the key! I have about 5 years of logs in as well. I had 22 unique
matches for satellite operations. It was nice to see the k6yk and w6gmt
confirmed from multiple grids.
Pretty much all you need to know about doing it right can be found here:
http://www.arrl.org/files/file/LoTW%20Instructions/N5JB.pdf
It was also neat to notice I could create a VUCC total for any grid I had
operated from, or any callsign I have used (John you were they only one that
showed up under my old ks5z callsign). I have started a project to place
all ofated a 'VUCC Satellite' account and uploaded my entire HRD
> Logbook:
>
> Prior to the upload, I added a 'propagation' field to the log and
> did a bulk
> edit to add 'sat' to each FM contact in my log (you can choose
> another field
> to search, but since I don't log anything on FM other than the sats
> that
> works for me).
>
> Uploaded the log to LOTW. Nothing shows under the 'VUCC Satellite'
> account.
> (note: when I created just a pure VUCC account, several contacts
> showed up
> as FM contacts)
>
> So, Im guessing we need to find out which ADIF fields are necessary
> in a log
> upload to make the LOTW happy...
>
> THAT is above my pay grade, so I hope to see some good answers from
> the
> group when I wake up tomorrow..
>
> 73, Ted, K7TRK
>
> FYI.from LoTW site:
>
> "Jan 13, 2011: VUCC award support is now live -- Under the Awards
> tab you
> will find a VUCC button. The VUCC <http://www.arrl.org/vucc> is
> ARRL's
> award recognizing VHF, UHF, and SHF work and counts Maidenhead grid
> squares."
>
>
> Is this a good thing or ??? do we need to set up anything different
> in an
> HRD Logbook to make this work ?? questions, questions..
>
> 73, Ted K7TRK
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the
> author.
> Not an AMSAT-NA member? Join now to support the amateur satellite
> program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the
> author.
> Not an AMSAT-NA member? Join now to support the amateur satellite
> program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
____________________________________________________________
Refinance Rates at 2.8%
$160,000 Mortgage $434/mo. No Hidden Fees- 3.1% APR! Get a Free Quote
http://thirdpartyoffers.juno.com/TGL3141/4d2fb57be1d1cc2f81est02vuc
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 9
Date: Fri, 14 Jan 2011 07:04:14 -0500
From: Joe <jbarkley@xxxxxxxx.xxx>
Subject: [amsat-bb] Re: VUCC & LoTW
To: Ted <k7trkradio@xxxxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <4D303BBE.3000803@xxxxxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hi Ted,
I am not sure but I believe you have to have the SAT name as well.
This you can edit in the TQSL program if you need to.
Joe
KI4TZ
Ted wrote:
> Boy, after playing with thrid
> squares."
>
>
> Is this a good thing or ??? do we need to set up anything different in an
> HRD Logbook to make this work ?? questions, questions..
>
> 73, Ted K7TRK
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>
------------------------------
Message: 10
Date: Fri, 14 Jan 2011 09:40:58 -0500
From: "Zachary Beougher" <zack.kd8ksn@xxxxxxx.xxx>
Subject: [amsat-bb] Desensitized Receiver Issues
To: <amsat-bb@xxxxx.xxx>
Message-ID: <SNT111-DS319D37C9EAEC73FEE0A41B3F30@xxx.xxx>
Content-Type: text/plain; charset="utf-8"
Hi All,
I have a friend who is experiencing receiver sensitivity issues when he
tries to transmit into the birds using his IC-V82 and IC-U82 and Arrow II
antenna. When he transmits on 2m the 440 downlinked is wiped out. I have
never had this issue before, so I don?t really know the easiest solution to
it when using 2 HTs. Could someone please pass along some tips on how to
resolve this issue to me, and I will forward them on to him?
Thank you!
Zack
KD8KSN
------------------------------
Message: 11
Date: Fri, 14 Jan 2011 09:43:27 -0500
From: "Zachary Beougher" <zack.kd8ksn@xxxxxxx.xxx>
Subject: [amsat-bb] Re: Zack's Setup
To: "John Neeley" <w6zkh@xxx.xxx>, "Clint Bradford"
<clintbradford@xxx.xxx>, "AMSAT BB" <amsat-bb@xxxxx.xxx>
Message-ID: <SNT111-DS1122FBC500E8E722709461B3F30@xxx.xxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Hi John,
I began experiencing the same issue again yesterday, and after some testing
I discovered the center conductor in the 2m side of the duplexer was loose.
Time to replace a connector I guess.
73!
Zack
KD8KSN
-----Original Message-----
From: John Neeley
Sent: Wednesday, January 12, 2011 6:44 PM
To: Clint Bradford ; AMSAT BB
Subject: [amsat-bb] Re: Zack's Setup
Or could it be that overpriced Diplexer in the handle?? Can you seperate
the 2
bands and test without the Diplexer??
John W6ZKH
________________________________
From: Clint Bradford <clintbradford@xxx.xxx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Sent: Wed, January 12, 2011 2:44:17 PM
Subject: [amsat-bb] Re: Zack's Setup
>> ... having a hard time with the Arrow ... stuck the duck on, and I can
>> get into
>>all the repeaters fine ...
Check out Arrow ops on both 2M and 440 - and see if there might be a short
or
problem with either of the gamma matching elements.
Are there any connectors or jumpers between the Arrow's leads and your
equipment? If so, check their integrity.
It just sounds like it's going to be a simple fix, Zack!
Clint, K6LCS
909-241-7666
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 12
Date: Fri, 14 Jan 2011 09:59:53 -0500
From: Dave Webb KB1PVH <kb1pvh@xxxxx.xxx>
Subject: [amsat-bb] Re: Desensitized Receiver Issues
To: Zachary Beougher <zack.kd8ksn@xxxxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID:
<AANLkTinjE2s+nWXDU8SU9ted6rRHLKB7jR4nKJ91C1gd@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Zack,
You can use a duplexer/diplexer on the 70cm side.
http://www.amsat.org/amsat-new/articles/Mode-J/
Dave - KB1PVH
Sent from my Verizon Wireless DROID X
On Jan 14, 2011 9:53 AM, "Zachary Beougher" <zack.kd8ksn@xxxxxxx.xxx> wrote:
------------------------------
Message: 13
Date: Fri, 14 Jan 2011 15:27:54 +0000
From: "David A. B. Johnson" <dave@xxxxxxxxxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: Shack Changes - FS IC-910H plus Accessories
To: amsat-bb@xxxxx.xxx
Message-ID: <4D306B7A.9020302@xxxxxxxxxxxxxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hi,
Now on eBay: 270692765876
73
- Dave
On 13/01/11 13:48, David A. B. Johnson wrote:
> Hi,
>
> I'm upgrading the shack so have an IC-910H with the following
> accessories for sale:
>
> CR-293 : Crystal unit
> UX-910 : Band Unit
> 2 x UT-106 : DSP units
>
> Power Cable
> Icom Hand Mic
> Original Box and Manuals
>
> CT-17 : Interface
>
> The rig is about 9 years old and is still in regular service on all modes.
>
> Shipping to the UK/Europe only.
>
> Please contact off-line
>
> 73
>
> - Dave, G4DPZ
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 14
Date: Fri, 14 Jan 2011 08:42:33 -0800 (PST)
From: Bill Dzurilla <billdz.geo@xxxxx.xxx>
Subject: [amsat-bb] VUCC Satellite now supported on LOTW
To: amsat-bb@xxxxx.xxx
Message-ID: <764239.75995.qm@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Finally! Just activated this morning. Go to your LOTW account, click on
Awards, and in the lower left hand corner you will see Create New VUCC Award
Account. Create the account and you will immediately see your confirmed
satellite (and other VHF-UHF) grids.
73, Bill NZ5N
------------------------------
Message: 15
Date: Sat, 15 Jan 2011 00:41:56 +0800
From: "Alan Kung" <alankung@xxxxxxx.xxx.xxx.xx>
Subject: [amsat-bb] HO-68 Status
To: <amsat-bb@xxxxx.xxx>
Message-ID: <7A32E6A3B12F4BED8FA1A985479ACB06@xxxxxxxxxxxxx>
Content-Type: text/plain; charset="gb2312"
In this week I received many reports from all over the world about faults of
HO-68
telemetry beacon. After we analyzed situation of the satellite, we think that
the software of payload management MPU was not running properly, the
communication
of onboard data bus between payload management MPU and the satellite
management
unit was stopped because of the software crashes. It led to the beacon problem
and abnormal switch of transponder.
Today we switched the satellite into safety mode at 0300Z , turn off most of
onboard
units, and then we re-powered up at 0440Z, the satellite was back to normal
operating
mode, so far the beacon operates normally.
We will not upload command to the satellite for transponder operating skeds
of next
week, we will monitor continually in next week. Please send your report if
you find
any abnormal operation of HO-68.
73!
Alan Kung, BA1DU
HO-68(XW-1) Project Manager
www.camsat.cn
------------------------------
Message: 16
Date: Thu, 13 Jan 2011 22:55:29 +0000
From: <normn3ykf@xxxx.xx.xxx>
Subject: [amsat-bb] so-50 and ao-51 power management
To: amsat-bb@xxxxx.xxx
Message-ID: <20110113225529.X8607.12503.root@xxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset=utf-8
Hi all!
What power management scheme is used for so-50 and ao-51 when the birds are
eclipsed?
thanks,
Norm n3ykf
------------------------------
Message: 17
Date: Fri, 14 Jan 2011 09:09:55 -0800
From: "Ng, Peter" <Peter.Ng@xxxxx.xx>
Subject: [amsat-bb] Re: HO-68 Status
To: Alan Kung <alankung@xxxxxxx.xxx.xxx.xx>, "amsat-bb@xxxxx.xxxx
<amsat-bb@xxxxx.xxx>
Message-ID:
<44D6D682B38A5D4FAA2DBDE4AFD3B87D0307E4B1@xxxxxxxx.xxxxxx.xxxxxx.xx>
Content-Type: text/plain; charset="us-ascii"
Alan, many thanks to you and your team for maintaining this bird so the rest
of us can play! ;)
73's Peter VE7NGP
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of Alan Kung
Sent: Friday, January 14, 2011 8:42 AM
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] HO-68 Status
In this week I received many reports from all over the world about faults of
HO-68
telemetry beacon. After we analyzed situation of the satellite, we think that
the software of payload management MPU was not running properly, the
communication
of onboard data bus between payload management MPU and the satellite
management
unit was stopped because of the software crashes. It led to the beacon problem
and abnormal switch of transponder.
Today we switched the satellite into safety mode at 0300Z , turn off most of
onboard
units, and then we re-powered up at 0440Z, the satellite was back to normal
operating
mode, so far the beacon operates normally.
We will not upload command to the satellite for transponder operating skeds
of next
week, we will monitor continually in next week. Please send your report if
you find
any abnormal operation of HO-68.
73!
Alan Kung, BA1DU
HO-68(XW-1) Project Manager
www.camsat.cn
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 18
Date: Fri, 14 Jan 2011 12:23:58 -0500
From: Andrew Glasbrenner <glasbrenner@xxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: so-50 and ao-51 power management
To: normn3ykf@xxxx.xx.xxx
Cc: amsat-bb@xxxxx.xxx
Message-ID: <4D3086AE.7060207@xxxxxxxxxx.xxx>
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On 1/13/2011 5:55 PM, normn3ykf@xxxx.xx.xxx wrote:
> Hi all!
> What power management scheme is used for so-50 and ao-51 when the birds
are eclipsed?
> thanks,
> Norm n3ykf
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
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>
Right now, AO-51 shuts off the transmitters when the battery voltage
dips below a setpoint, or the panels drop below 14v. It turns back on
when the battery voltage reaches a separate setpoint.
SO-50 has no power management that I'm aware of, other than the PL tones
used to activate it. It should be functional in eclipse.
73, Drew KO4MA
AMSAT-NA VP Operations
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End of AMSAT-BB Digest, Vol 6, Issue 24
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